from django.db.models.signals import pre_save
from django.dispatch import receiver

from core.apps.evaluation.choices.request import RequestStatus
from core.apps.evaluation.models import EvaluationrequestModel


@receiver(pre_save, sender=EvaluationrequestModel)
def create_evaluation_on_approve(sender, instance, **kwargs):
    if not instance.pk:
        return

    try:
        old = EvaluationrequestModel.objects.get(pk=instance.pk)
    except EvaluationrequestModel.DoesNotExist:
        return

    if old.status != RequestStatus.COMPLETED and instance.status == RequestStatus.COMPLETED:
        from core.apps.evaluation.models import AutoEvaluationModel

        if instance.rate_type == "auto" and not hasattr(instance, "_evaluation_created"):
            AutoEvaluationModel.objects.create(
                object_type=instance.object_type or "",
                tex_passport_serie_num=instance.tex_passport or "",
                rating_goal=instance.rate_goal or "",
            )
            instance._evaluation_created = True